#	Chain	Domain ID	Range	Family	Classification
1	A	e4burA1	A:262-398	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
2	A	e4burA2	A:476-516,A:551-611	AIF_C	244 → 244.2 → 244.2.1
3	A	e4burA3	A:128-261,A:399-475	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
4	B	e4burB1	B:262-398	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
5	B	e4burB2	B:476-516,B:553-610	AIF_C	244 → 244.2 → 244.2.1
6	B	e4burB3	B:125-261,B:399-475	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
7	C	e4burC2	C:263-401	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
8	C	e4burC1	C:478-517,C:558-612	AIF_C	244 → 244.2 → 244.2.1
9	C	e4burC3	C:127-263,C:401-477	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
10	D	e4burD1	D:478-509,D:559-611	AIF_C	244 → 244.2 → 244.2.1
11	D	e4burD2	D:128-263,D:401-477	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
12	D	e4burD3	D:264-400	Pyr_redox_2	2003 → 2003.1 → 2003.1.2

ECOD domains (colored by index)Unclassified protein regionsNucleic acids (RNA/DNA)Ligands/cofactors